<?php
class Start extends Controller 
{
	public function index() {
		$this->loader->cache('file');	//use file cache
		$test = array('hehe', 'hoho');
		if ($this->cache->file->is_set('test')) {
			$data = $this->cache->file->get('test');
		} else {
			$this->cache->file->set('test', $test);
			$data = $this->cache->file->get('test');
		}
		print_r($data);
	}
}